1. Geology of the Connors pass quadrangle schell creek range east-central Nevada;Drewes;Geological Survey Professional Paper,1967
2. Cambrian rocks of southern snake range, Nevada;Drewes;AAPG Bulletin,1957
3. Some Cambrian molluscs and brachiopods of the northern Kharaulakh;Ermak,1986
4. The morphology, systematic position and origin of the inarticulate brachiopods with calcareous shells;Gorjansky;Paleontologicheskij Zhurnal,1985
5. Abstract of report on the geology of the Eureka district Nevada. US;Hague,1883